On April 6 at the American Legion War Memorial in Clarendon, Arlington County will mark 100 years to the day that the United States formally entered “The Great War.” Featured remarks by National Park Service chief historian emeritus Ed Bearss.

On Feb. 25, Arlington Public Library launches a unique online exhibition and searchable database — built from thousands of photos, documents and recordings — surrounding the legal and moral battles that culminated in the 1959 desegregation at Arlington’s Stratford Junior High School.